GB1413739A - Address conversion units and data processing systems embodying the same - Google Patents

Address conversion units and data processing systems embodying the same

Info

Publication number
GB1413739A
GB1413739A GB4734773A GB4734773A GB1413739A GB 1413739 A GB1413739 A GB 1413739A GB 4734773 A GB4734773 A GB 4734773A GB 4734773 A GB4734773 A GB 4734773A GB 1413739 A GB1413739 A GB 1413739A
Authority
GB
United Kingdom
Prior art keywords
page
address
bits
virtual
virtual address
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4734773A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digital Equipment Corp
Original Assignee
Digital Equipment Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp
Publication of GB1413739A publication Critical patent/GB1413739A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/652—Page size control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Memory System (AREA)
GB4734773A 1972-10-10 1973-10-10 Address conversion units and data processing systems embodying the same Expired GB1413739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00296026A US3854126A (en) 1972-10-10 1972-10-10 Circuit for converting virtual addresses into physical addresses

Publications (1)

Publication Number Publication Date
GB1413739A true GB1413739A (en) 1975-11-12

Family

ID=23140281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4734773A Expired GB1413739A (en) 1972-10-10 1973-10-10 Address conversion units and data processing systems embodying the same

Country Status (6)

Country Link
US (1) US3854126A (enrdf_load_stackoverflow)
JP (1) JPS4994240A (enrdf_load_stackoverflow)
CA (1) CA995822A (enrdf_load_stackoverflow)
DE (1) DE2350884C2 (enrdf_load_stackoverflow)
GB (1) GB1413739A (enrdf_load_stackoverflow)
IE (1) IE38700B1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014581A3 (en) * 1979-02-05 1981-05-06 Fanuc Ltd. Addressing system for and methods of addressing memories in computer systems
GB2149158A (en) * 1983-10-31 1985-06-05 Sun Microsystems Inc Memory management system
US4926316A (en) * 1982-09-29 1990-05-15 Apple Computer, Inc. Memory management unit with overlapping control for accessing main memory of a digital computer

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010451A (en) * 1972-10-03 1977-03-01 National Research Development Corporation Data structure processor
FR129151A (enrdf_load_stackoverflow) * 1974-02-09
US3956739A (en) * 1974-03-06 1976-05-11 Ontel Corporation Data transfer system
FR2269150B1 (enrdf_load_stackoverflow) * 1974-04-25 1977-10-28 Honeywell Bull Soc Ind
JPS5615066B2 (enrdf_load_stackoverflow) * 1974-06-13 1981-04-08
US3976978A (en) * 1975-03-26 1976-08-24 Honeywell Information Systems, Inc. Method of generating addresses to a paged memory
US3990051A (en) * 1975-03-26 1976-11-02 Honeywell Information Systems, Inc. Memory steering in a data processing system
US4037215A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key controlled address relocation translation system
US4037214A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key register controlled accessing system
JPS533029A (en) * 1976-06-30 1978-01-12 Toshiba Corp Electronic computer
GB1601955A (en) * 1977-10-21 1981-11-04 Marconi Co Ltd Data processing systems
US4285040A (en) * 1977-11-04 1981-08-18 Sperry Corporation Dual mode virtual-to-real address translation mechanism
US4241401A (en) * 1977-12-19 1980-12-23 Sperry Corporation Virtual address translator utilizing interrupt level code
US4218743A (en) * 1978-07-17 1980-08-19 International Business Machines Corporation Address translation apparatus
US4388685A (en) * 1978-08-04 1983-06-14 Digital Equipment Corporation Central processor with apparatus for extended virtual addressing
US4277826A (en) * 1978-10-23 1981-07-07 Collins Robert W Synchronizing mechanism for page replacement control
US4254463A (en) * 1978-12-14 1981-03-03 Rockwell International Corporation Data processing system with address translation
US4295192A (en) * 1979-04-13 1981-10-13 Sperry Rand Corporation Row address memory map overlap
BE876025A (nl) * 1979-05-04 1979-11-05 Bell Telephone Mfg Signaleringsstelsel
GB2062912B (en) * 1979-09-29 1983-09-14 Plessey Co Ltd Data processing system including internal register addressing arrangements
US4507781A (en) * 1980-03-14 1985-03-26 Ibm Corporation Time domain multiple access broadcasting, multipoint, and conferencing communication apparatus and method
US4393443A (en) * 1980-05-20 1983-07-12 Tektronix, Inc. Memory mapping system
JPS5734251A (en) * 1980-08-07 1982-02-24 Toshiba Corp Address conversion and generating system
US4574349A (en) * 1981-03-30 1986-03-04 International Business Machines Corp. Apparatus for addressing a larger number of instruction addressable central processor registers than can be identified by a program instruction
US4509115A (en) * 1982-04-21 1985-04-02 Digital Equipment Corporation Two-port memory controller
US4710868A (en) * 1984-06-29 1987-12-01 International Business Machines Corporation Interconnect scheme for shared memory local networks
JPS61190638A (ja) * 1985-02-20 1986-08-25 Hitachi Ltd 仮想計算機のフアイル制御方式
US4868738A (en) * 1985-08-15 1989-09-19 Lanier Business Products, Inc. Operating system independent virtual memory computer system
US4694395A (en) * 1985-11-25 1987-09-15 Ncr Corporation System for performing virtual look-ahead memory operations
US4891752A (en) * 1987-03-03 1990-01-02 Tandon Corporation Multimode expanded memory space addressing system using independently generated DMA channel selection and DMA page address signals
US5101339A (en) * 1987-08-10 1992-03-31 Tandon Corporation Computer address modification system using writable mapping and page stores
JPS6488661A (en) * 1987-09-29 1989-04-03 Toshiba Corp Virtual memory control and management system
JP2507756B2 (ja) * 1987-10-05 1996-06-19 株式会社日立製作所 情報処理装置
NL8800858A (nl) * 1988-04-05 1989-11-01 Philips Nv Rekenmachinesysteem voorzien van een hoofdbus en een tussen processor en geheugen direkt verbonden extra kommunikatielijn.
US5072372A (en) * 1989-03-03 1991-12-10 Sanders Associates Indirect literal expansion for computer instruction sets
US5317706A (en) * 1989-11-15 1994-05-31 Ncr Corporation Memory expansion method and apparatus in a virtual memory system
US5197130A (en) * 1989-12-29 1993-03-23 Supercomputer Systems Limited Partnership Cluster architecture for a highly parallel scalar/vector multiprocessor system
DE10033673B4 (de) * 1999-08-17 2005-10-20 Ibm Verfahren zum Archivieren und Ausliefern von Dokumenten unter Verwendung eines Zentralarchivsystems
US6662289B1 (en) 2001-05-15 2003-12-09 Hewlett-Packard Development Company, Lp. Method and apparatus for direct conveyance of physical addresses from user level code to peripheral devices in virtual memory systems
US7404064B2 (en) * 2004-04-07 2008-07-22 Stmicroelectronics S.A. Method and device for calculating addresses of a segmented program memory
US7386700B2 (en) * 2004-07-30 2008-06-10 Sandisk Il Ltd Virtual-to-physical address translation in a flash file system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1218761B (de) * 1963-07-19 1966-06-08 International Business Machines Corporation, Armonk, N. Y. (V. St. A.) Datenspeidbereinrichtung
US3412382A (en) * 1965-11-26 1968-11-19 Massachusetts Inst Technology Shared-access data processing system
US3533075A (en) * 1967-10-19 1970-10-06 Ibm Dynamic address translation unit with look-ahead
NL6815506A (enrdf_load_stackoverflow) * 1968-10-31 1970-05-04
FR10582E (fr) * 1970-06-29 1909-07-30 Paul Alexis Victor Lerolle Jeu de serrures avec passe-partout

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014581A3 (en) * 1979-02-05 1981-05-06 Fanuc Ltd. Addressing system for and methods of addressing memories in computer systems
US4550368A (en) * 1982-07-02 1985-10-29 Sun Microsystems, Inc. High-speed memory and memory management system
US4926316A (en) * 1982-09-29 1990-05-15 Apple Computer, Inc. Memory management unit with overlapping control for accessing main memory of a digital computer
GB2149158A (en) * 1983-10-31 1985-06-05 Sun Microsystems Inc Memory management system

Also Published As

Publication number Publication date
DE2350884A1 (de) 1974-04-18
IE38700B1 (en) 1978-05-10
CA995822A (en) 1976-08-24
DE2350884C2 (de) 1986-05-15
JPS4994240A (enrdf_load_stackoverflow) 1974-09-06
IE38700L (en) 1974-04-10
US3854126A (en) 1974-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19931009